Oral cavity cleaner



FIG. 1 is a perspective view of an oral cavity cleaner showing our newdesign;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof, the opposite side beinga mirror image of this view;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The ornamental design for an oral cavity cleaner, as shown anddescribed.